<script setup>
import { ElMessage,ElMessageBox  } from 'element-plus'
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
const categorys = ref([
])
//文章查询列表
import { articleCategoryListService ,articleCategoryAddServide,articleCategoryUpdateService ,articleCategoryDeleteService} from '@/api/article.js'
const articleCategortList = async () => {
    let result = await articleCategoryListService();
    categorys.value = result.data
}
//使用函数
articleCategortList()

//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
    categoryName: '',
    categoryAlias: ''
})
//添加分类表单校验
const rules = {
    categoryName: [
        { required: true, message: '请输入分类名称', trigger: 'blur' },
    ],
    categoryAlias: [
        { required: true, message: '请输入分类别名', trigger: 'blur' },
    ]
}

const addCategory = async () =>{
    let result = await articleCategoryAddServide(categoryModel.value);
    ElMessage.success(result.msg ? result.msg:'添加成功')
    //重新获取分类列表
    articleCategortList()
    //关闭弹窗
    dialogVisible.value = false
    
}

//  定义变量 控制弹窗标题
const title = ref('')
const showDialog =(row) =>{
    dialogVisible.value = true
    title.value ='编辑分类'
    //数据拷贝
    categoryModel.value.categoryName = row.categoryName
    categoryModel.value.categoryAlias = row.categoryAlias
    // 扩展id属性，将来束腰带数据传递给后台 
    categoryModel.value.id = row.id
}
// // 更改分类
const updateCategory = async()=>{
    let result = await articleCategoryUpdateService(categoryModel.value)
    ElMessage.success(result.msg? result.msg:'修改成功')
    // 获取获取所有分类函数
    articleCategortList()
    dialogVisible.value = false
}
//清空弹窗数据
const cleardata = ()=>{
    categoryModel.value.categoryAlias =''
    categoryModel.value.categoryName = ''
}

//删除按钮
const deletecategory=(row)=>{
     ElMessageBox.confirm(
    '你确定要删除这条信息吗?',
    '温馨提示',
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async () => {
        //调用接口
       let result = await articleCategoryDeleteService(row.id)
      ElMessage({
        type: 'success',
        message: '删除成功',
      })
      //刷新列表
      articleCategortList();
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '删除取消',
      })
    })
}
</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary" @click="dialogVisible=true,title='添加分类',cleardata()">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categorys" style="width: 100%">
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">   <!--row点击那一行的数据  它代表当前表格行的数据对象。-->
                    <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deletecategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
    </el-card>

    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" :title='title' width="30%">
        <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
            <el-form-item label="分类名称" prop="categoryName">
                <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
            </el-form-item>
            <el-form-item label="分类别名" prop="categoryAlias">
                <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
            </el-form-item>
        </el-form>
        <template #footer>
            <span class="dialog-footer">
                <el-button @click="dialogVisible = false">取消</el-button>
                <el-button type="primary" @click=" title=='添加分类'?addCategory():updateCategory()"> 确认 </el-button>
            </span>
        </template>
    </el-dialog>
</template>

<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
</style>